RE: [PATCH 3/4 v4] GPIO: gpio-dwapb: Support Debounce

[Chen, Alvin]

> > +	struct bgpio_chip *bgc = to_bgpio_chip(gc);
> > +	struct dwapb_gpio_port *port =
> > +			container_of(bgc, struct dwapb_gpio_port, bgc);
> 
> Does it make sense to introduce an inline helper like
> 
> static inline struct dwapb_gpio_port *to_dwapb_gpio_port(struct bgpio_chip
> *gc) {...}
> 
> ?

OK.

> There is also another place where it could be used.
> 
> > +	struct dwapb_gpio *gpio = port->gpio;
> > +	unsigned long flags, val_deb;
> > +	unsigned long mask = bgc->pin2mask(bgc, offset);
> > +
> > +	spin_lock_irqsave(&bgc->lock, flags);
> > +
> > +	val_deb = dwapb_read(gpio, GPIO_PORTA_DEBOUNCE);
> > +	if (debounce)
> > +		dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, mask | val_deb);
> 
> May you put value on the first place? Like 'val_deb | mask'.

OK.

> > +	else
> > +		dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, ~mask & val_deb);
> 
> Ditto.
> 
OK.
> > +